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McDonald's is one of the world's largest fast-food chains, serving a variety of classic American fare. At its core, McDonald's offers burgers, fries, and chicken nuggets as main staples, but the menu also extends to salads, sandwiches, and breakfast items.

The restaurant has been around since 1948 when brothers Richard and Maurice McDonald opened their first drive-in in San Bernardino, California. Their innovative "Speedee Service System" focused on speedy service and affordable prices. The system was later modified by Ray Kroc, who bought the rights to the concept and transformed it into a global brand.

McDonald's menu items are known for being consistent across locations worldwide. The iconic Big Mac features two all-beef patties, special sauce, lettuce, cheese, pickles, and onions on a sesame seed bun. Another well-known item is the French Fries, which are cooked to a golden brown and often served with a side of ketchup.

Some variations of McDonald's menu exist across different regions. For example, in some locations, you can find regional specialties like the McRice Burger or the McAloo Tikki Burger. However, these items are not part of the standard global menu.

McDonald's has expanded to include healthier options, such as salads and grilled chicken sandwiches, in response to changing consumer preferences.